问题
选择题
which of the following sentences is right ?
A．It is the first time that I have seen Andy’s concert.
B．It was until her father came back that she didn’t go to bed.
C．We feel that our duty to help the people in disaster-stricken areas.
D．I’m about to go shopping tomorrow.
答案
答案：A
B选项强调句型必须把主句中not和until从句一起提前，C选项宾语从句却谓语our duty后加is,D选项be about to不能和具体时间连用，A正确。